Projection on a wall of a microwave oven



FIG. 1 is a top, end and side perspective view of a projection on a wall of a microwave oven showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevation view thereof, the opposite side being identical; and,

FIG. 4 is an end elevation view thereof, the opposite side being identical.

The outline of a flat wall portion from which the projection extends is shown in broken lines for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a projection on a wall of a microwave oven, as shown and described. 